CHANGING 305 TO 400 IN 86 FIREBIRD. IS A 3 CORE RADIATOR SUFFICENT ?? TEMPS HERE GO UP INTO 90'S IN SUMMER ON FAN PROBLEM, CURRENTLY HAVE LARGE SINGLE FAN DOING A GOOD JOB, AND WANT TO HAVE THINGS "LOOK" STOCK. BUT, FAN DOES NOT RUN WHEN IN CITY GOING SLOW SO A/C IS NON EXISTANT. THOUGHTS ON ADDING A SECOND FAN IN FRONT OF THE RADIATOR TO HANDLE THE A/C ?? COULDN'T FIND MUCH IN HISTORY FILES.

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